Home / 617,742.69-927,213.23-298,119.50

Finding the Fourth Proportional to 617,742.69, 927,213.23 and 298,119.50

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Solution

The fourth proportional to 617,742.69, 927,213.23 and 298,119.50 is: 447,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,742.69 : 927,213.23 = 298,119.50 : x
  2. Step 2: Convert to fraction form
    617,742.69/927,213.23 = 298,119.50/x
  3. Step 3: Cross multiply
    617,742.69x = 927,213.23 × 298,119.50
  4. Step 4: Simplify right side
    617,742.69x = 276,420,339,822.56
  5. Step 5: Solve for x
    x = 276,420,339,822.56/617,742.69
  6. Step 6: Final answer
    x = 447,468.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.